BS/DIN GT4 Winner: The most advanced chain in the European market

GT4 Winner

Since 1917 Tsubakimoto Chain Company has maintained a line-up of cutting-edge chain products with exceptional quality and performance that help end-users meet their power transmission and conveying requirements.

Tsubaki is proud to introduce the 4th generation, enhanced BS/DIN European premium chain. The product is available in chain sizes from RF06B up to RS48B*. Simplex, duplex and triplex executions are at your disposal.
*RF06B curled bush; RS56B/RS72B on request

Single Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p		 Roller Diameter
d1		 Inner Width
b1
RS05B-1 8.00 0.315" 5.00 3.00
RF06B-1 9.525 3/8" 6.35 5.72
RS08B-1 12.70 1/2" 8.51 7.75
RS10B-1 15.875 5/8" 10.16 9.65
RS12B-1 19.05 3/4" 12.07 11.68
RS16B-1 25.40 1" 15.88 17.02
RS20B-1 31.75 1 1/4" 19.05 19.56
RS24B-1 38.10 1 1/2" 25.40 25.40
RS28B-1 44.45 1 3/4" 27.94 30.99
RS32B-1 50.80 2" 29.21 30.99
RS40B-1 63.50 2 1/2" 39.37 38.10
RS48B-1 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2		 Length
L1		 Length
L2		 Length
L		 Thickness
T		 Thickness
t		 Height
H (max.)
RS05B-1 2.30 3.80 4.70 - 0.75 0.75 7.10
RF06B-1 3.27 6.10 7.70 14.20 1.30 1.00 8.20
RS08B-1 4.45 8.40 10.00 18.40 1.60 1.60 12.00
RS10B-1 5.08 9.55 11.25 21.10 1.50 1.50 14.70
RS12B-1 5.72 11.10 13.00 24.80 1.80 1.80 16.10
RS16B-1 8.28 17.75 19.95 38.90 4.00 3.20 21.00
RS20B-1 10.19 19.90 23.10 46.95 4.40 3.40 26.00
RS24B-1 14.63 26.65 31.85 62.00 6.00 5.60 33.40
RS28B-1 15.90 32.45 37.45 74.50 7.50 6.30 36.40
RS32B-1 17.81 32.10 37.70 73.50 7.00 6.30 42.20
RS40B-1 22.89 39.25 45.05 88.85 8.50 8.00 52.90
RS48B-1 29.23 49.30 58.80 117.70 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt		 Min. Tensile Strength acc. to ISO 606
kN		 Min. Tensile Strength acc. to Tsubaki
kN		 Av. Tensile Strength acc. to Tsubaki
kN		 Approx. Mass
kg/m
RS05B-1 - 4.4 5.0 5.8 0.18
RF06B-1 - 8.9 9.0 9.9 0.39
RS08B-1 - 17.8 19.0 20.9 0.70
RS10B-1 - 22.2 23.0 25.3 0.95
RS12B-1 - 28.9 31.0 34.1 1.25
RS16B-1 - 60.0 70.0 77.0 2.70
RS20B-1 - 95.0 98.1 108.0 3.85
RS24B-1 - 160.0 167.0 184.0 7.45
RS28B-1 - 200.0 200.0 220.0 9.45
RS32B-1 - 250.0 255.0 281.0 10.25
RS40B-1 - 355.0 373.0 410.0 16.35
RS48B-1 - 560.0 565.0 618.0 25.00

Double Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p		 Roller Diameter
d1		 Inner Width
b1
RS05B-2 8.00 0.315" 5.00 3.00
RF06B-2 9.525 3/8" 6.35 5.72
RS08B-2 12.70 1/2" 8.51 7.75
RS10B-2 15.875 5/8" 10.16 9.65
RS12B-2 19.05 3/4" 12.07 11.68
RS16B-2 25.40 1" 15.88 17.02
RS20B-2 31.75 1 1/4" 19.05 19.56
RS24B-2 38.10 1 1/2" 25.40 25.40
RS28B-2 44.45 1 3/4" 27.94 30.99
RS32B-2 50.80 2" 29.21 30.99
RS40B-2 63.50 2 1/2" 39.37 38.10
RS48B-2 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2		 Length
L1		 Length
L2		 Length
L		 Thickness
T		 Thickness
t		 Height
H (max.)
RS05B-2 2.30 6.65 7.52 - 0.75 0.75 7.10
RF06B-2 3.27 11.43 12.57 - 1.30 1.00 8.20
RS08B-2 4.45 15.30 16.90 33.60 1.60 1.60 12.00
RS10B-2 5.08 17.85 19.55 39.40 1.50 1.50 14.70
RS12B-2 5.72 20.85 22.75 46.30 1.80 1.80 16.10
RS16B-2 8.28 33.55 35.75 73.80 4.00 3.20 21.00
RS20B-2 10.19 38.25 41.45 84.85 4.40 3.40 26.00
RS24B-2 14.63 50.80 56.00 112.95 6.00 5.60 33.40
RS28B-2 15.90 62.15 67.15 136.85 7.50 6.30 36.40
RS32B-2 17.81 61.25 66.85 135.25 7.00 6.30 42.20
RS40B-2 22.89 75.40 81.20 163.55 8.50 8.00 52.90
RS48B-2 29.23 95.00 104.40 209.00 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt		 Min. Tensile Strength acc. to ISO 606
kN		 Min. Tensile Strength acc. to Tsubaki
kN		 Av. Tensile Strength acc. to Tsubaki
kN		 Approx. Mass
kg/m
RS05B-2 5.64 7.8 7.8 8.9 0.35
RF06B-2 10.24 16.9 17.0 18.7 0.75
RS08B-2 13.92 31.1 32.0 35.2 1.35
RS10B-2 16.59 44.5 44.5 49.0 1.85
RS12B-2 19.46 57.8 61.0 67.1 2.50
RS16B-2 31.88 106.0 128.0 141.0 5.40
RS20B-2 36.45 170.0 197.0 217.0 7.65
RS24B-2 48.36 280 335.0 369.0 14.65
RS28B-2 59.56 360.0 374.0 411.0 18.80
RS32B-2 58.55 450.0 485.0 534.0 21.10
RS40B-2 72.29 630.0 716.0 788.0 32.00
RS48B-2 91.21 1000.0 1000.0 1150.0 50.00

Triple Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p		 Roller Diameter
d1		 Inner Width
b1
RS05B-3 8.00 0.315" 5.00 3.00
RF06B-3 9.525 3/8" 6.35 5.72
RS08B-3 12.70 1/2" 8.51 7.75
RS10B-3 15.875 5/8" 10.16 9.65
RS12B-3 19.05 3/4" 12.07 11.68
RS16B-3 25.40 1" 15.88 17.02
RS20B-3 31.75 1 1/4" 19.05 19.56
RS24B-3 38.10 1 1/2" 25.40 25.40
RS28B-3 44.45 1 3/4" 27.94 30.99
RS32B-3 50.80 2" 29.21 30.99
RS40B-3 63.50 2 1/2" 39.37 38.10
RS48B-3 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2		 Length
L1		 Length
L2		 Length
L		 Thickness
T		 Thickness
t		 Height
H (max.)
RS05B-3 2.30 9.45 10.34 - 0.75 0.75 7.10
RF06B-3 3.27 16.90 17.50 - 1.30 1.00 8.20
RS08B-3 4.45 22.25 23.85 47.60 1.60 1.60 12.00
RS10B-3 5.08 26.15 27.85 56.10 1.50 1.50 14.70
RS12B-3 5.72 30.60 32.50 66.0 1.80 1.80 16.10
RS16B-3 8.28 49.50 51.70 105.90 4.00 3.20 21.00
RS20B-3 10.19 56.50 59.70 121.35 4.40 3.40 26.00
RS24B-3 14.63 75.10 80.20 161.35 6.00 5.60 33.40
RS28B-3 15.90 91.95 96.95 196.45 7.50 6.30 36.40
RS32B-3 17.81 90.50 96.10 193.80 7.00 6.30 42.20
RS40B-3 22.89 111.50 117.30 235.85 8.50 8.00 52.90
RS48B-3 29.23 140.60 150.00 300.20 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt		 Min. Tensile Strength acc. to ISO 606
kN		 Min. Tensile Strength acc. to Tsubaki
kN		 Av. Tensile Strength acc. to Tsubaki
kN		 Approx. Mass
kg/m
RS05B-3 5.64 11.1 11.2 12.8 0.53
RF06B-3 10.24 24.9 24.9 27.4 1.11
RS08B-3 13.92 44.5 47.5 52.3 2.00
RS10B-3 16.59 66.6 66.8 73.5 2.80
RS12B-3 19.46 86.7 92.0 101.0 3.80
RS16B-3 31.88 160.0 192.0 211.0 8.00
RS20B-3 36.45 250.0 295.0 325.0 11.45
RS24B-3 48.36 425.0 500.0 550.0 21.75
RS28B-3 59.56 530.0 560.0 616.0 28.20
RS32B-3 58.55 670.0 729.0 802.0 29.90
RS40B-3 72.29 950.0 1080.0 1190.0 47.75
RS48B-3 91.21 1500.0 1520.0 1750.0 75.00

Catalogs

Winner GT4 catalog

English
Winner GT4 catalog

German
Winner GT4 catalog

French
Winner GT4 catalog

Dutch
Winner GT4 catalog

Spanish
Winner GT4 catalog

Russian